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EMPLOYEE BENEFIT PLANS (Tables)
6 Months Ended
Jun. 30, 2012
EMPLOYEE BENEFIT PLANS [Abstract]  
Components of Net Periodic Benefit Cost
Net periodic benefit cost for such retirement medical plan for the six months ended June 30, 2012 and June 30, 2011 was as follows:

 
2012
 
 
2011
 
Service cost
 
$
26
 
 
$
32
 
Interest cost
 
 
21
 
 
 
32
 
Amortization of prior service cost
 
 
(9
)
 
 
(9
)
Amortization of loss
 
 
2
 
 
 
7
 
Net periodic benefit cost
 
$
40
 
 
$
62